Clamping Levers(Main Body Material:Zinc Alloy)

Data to be displayed
30
45
60
Sort by:
Shipping Days
  • All
  • Same day
  • 1 Day or Less
  • 2 Days or Less
  • 3 Days or Less
  • 4 Days or Less
  • 5 Days or Less
  • 6 Days or Less
  • 7 Days or Less
  • 8 Days or Less
  • 9 Days or Less
Brand
Product Series
CAD
Starting from
Min. Shipping Days
Specifications
Application
Type Clamp
Type operation
Operation Direction
Shape
L-Shaped Clamp Lever Shape
Lever Shape with Knob
Mounting Section Type
Rotating Radius R(mm)
Main Body Material
Main Body Surface Treatment
Mounting Section Material
Mounting Section Surface Treatment
Knob Material
Surface Treatment of knob
Adjustment screw for gap
Mounting Section Diameter d(mm) and/or Diameter
Mounting Section Length L(mm)
Mounting Section Diameter C(mm)
Mounting Section Thickness h(mm)
  • Recommendation

Position Adjustable Clamping Lever Screw Included, Thrust Bearing Included

  • Recommendation

Eccentric Quick Clamp Lever Nut Included

    Clamp Levers / Threaded

      Miniature Clamp Levers / Threaded

        Eccentric Quick Clamp Lever Screw Included

          Push Button Clamp Levers

            Cam Lever

              Clamp Lever (FKF, FKR)

                Ratcheting Clamp Levers

                  Double Arm Clamp Levers

                    Clamp Lever_LDM / LDF / LDR

                      Clamp Levers / Stainless Steel / Threaded / Chrome Plated

                        Flat Clamp Levers

                          Cam Lever_LWBM / LWBF

                            Eccentric Lever Shaft Pin Included

                              Mini Clamp Lever_LDCMS / LDCFS

                                Clamp Levers / Threaded / with Washer

                                  Cam Lever_LWAM / LWAF

                                    Clamp Lever_LDMS / LDFS

                                      Mini Clamp Lever (MKF, MKR)

                                        Clamp Lever (KF, KR)

                                          Position Adjustable Clamping Lever Screw Included

                                            Y-Shaped Clamp Levers

                                              Clamp Levers / with Pad / Radiused Tip

                                                Clamp Lever KR, KF

                                                  Position Adjustable Clamping Lever Nut Included, Internal Parts, Made Of Stainless Steel

                                                    Clamp Lever_LHM / LHF

                                                      Mini Clamp Lever_LDCM / LDCF

                                                        Clamp Lever (SUS Made) (FKF-SUS, FKR-SUS)

                                                          Fixed Lever (FLR, FLS)

                                                            Clamp Lever (FKFT, FKRT)

                                                              Mini Clamp Lever MCR, MCF

                                                                Mini Clamp Lever (Stainless Steel) MCRS, MCFS

                                                                  Clamp Lever SR, SF

                                                                    Stainless Steel Clamp Lever SRS, SFS

                                                                      Clamp Lever SR--6, SF--6

                                                                        Clamp Lever Flat SRFL, SFFL

                                                                          Clamp Lever Flat SRFL--6, SFFL--6

                                                                            Stainless Steel Clamp Lever Flat SRSFL, SFSFL

                                                                              Stainless Steel Clamp Lever KRS, KFS

                                                                                Fixed Lever FLR, FLS

                                                                                  Push-Off Clamp Lever PCM, PC

                                                                                    Push-Off Clamp Lever (Stainless Steel) PCSM, PCS

                                                                                      Clamp Lever Inch Screw KRIN, Millimeter Right Screw KRL

                                                                                        Position Adjustable Clamping Lever Screw Included, Thrust Bearing Included, Made Of Stainless Steel

                                                                                        Brand

                                                                                        HALDER

                                                                                        HALDER

                                                                                        MISUMI

                                                                                        MISUMI

                                                                                        HALDER

                                                                                        MISUMI

                                                                                        MISUMI

                                                                                        IMAO CORPORATION

                                                                                        MISUMI

                                                                                        MISUMI

                                                                                        NABEYA BI-TECH

                                                                                        MISUMI

                                                                                        MISUMI

                                                                                        NABEYA BI-TECH

                                                                                        HALDER

                                                                                        NABEYA BI-TECH

                                                                                        MISUMI

                                                                                        NABEYA BI-TECH

                                                                                        NABEYA BI-TECH

                                                                                        IMAO CORPORATION

                                                                                        IMAO CORPORATION

                                                                                        HALDER

                                                                                        MISUMI

                                                                                        MISUMI

                                                                                        KONISHI MFG

                                                                                        HALDER

                                                                                        NABEYA BI-TECH

                                                                                        NABEYA BI-TECH

                                                                                        IMAO CORPORATION

                                                                                        IMAO CORPORATION

                                                                                        IMAO CORPORATION

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        KONISHI MFG

                                                                                        HALDER

                                                                                        Product Series

                                                                                        Position Adjustable Clamping Lever Screw Included, Thrust Bearing Included

                                                                                        Eccentric Quick Clamp Lever Nut Included

                                                                                        Clamp Levers / Threaded

                                                                                        Miniature Clamp Levers / Threaded

                                                                                        Eccentric Quick Clamp Lever Screw Included

                                                                                        Push Button Clamp Levers

                                                                                        Cam Lever

                                                                                        Clamp Lever (FKF, FKR)

                                                                                        Ratcheting Clamp Levers

                                                                                        Double Arm Clamp Levers

                                                                                        Clamp Lever_LDM / LDF / LDR

                                                                                        Clamp Levers / Stainless Steel / Threaded / Chrome Plated

                                                                                        Flat Clamp Levers

                                                                                        Cam Lever_LWBM / LWBF

                                                                                        Eccentric Lever Shaft Pin Included

                                                                                        Mini Clamp Lever_LDCMS / LDCFS

                                                                                        Clamp Levers / Threaded / with Washer

                                                                                        Cam Lever_LWAM / LWAF

                                                                                        Clamp Lever_LDMS / LDFS

                                                                                        Mini Clamp Lever (MKF, MKR)

                                                                                        Clamp Lever (KF, KR)

                                                                                        Position Adjustable Clamping Lever Screw Included

                                                                                        Y-Shaped Clamp Levers

                                                                                        Clamp Levers / with Pad / Radiused Tip

                                                                                        Clamp Lever KR, KF

                                                                                        Position Adjustable Clamping Lever Nut Included, Internal Parts, Made Of Stainless Steel

                                                                                        Clamp Lever_LHM / LHF

                                                                                        Mini Clamp Lever_LDCM / LDCF

                                                                                        Clamp Lever (SUS Made) (FKF-SUS, FKR-SUS)

                                                                                        Fixed Lever (FLR, FLS)

                                                                                        Clamp Lever (FKFT, FKRT)

                                                                                        Mini Clamp Lever MCR, MCF

                                                                                        Mini Clamp Lever (Stainless Steel) MCRS, MCFS

                                                                                        Clamp Lever SR, SF

                                                                                        Stainless Steel Clamp Lever SRS, SFS

                                                                                        Clamp Lever SR--6, SF--6

                                                                                        Clamp Lever Flat SRFL, SFFL

                                                                                        Clamp Lever Flat SRFL--6, SFFL--6

                                                                                        Stainless Steel Clamp Lever Flat SRSFL, SFSFL

                                                                                        Stainless Steel Clamp Lever KRS, KFS

                                                                                        Fixed Lever FLR, FLS

                                                                                        Push-Off Clamp Lever PCM, PC

                                                                                        Push-Off Clamp Lever (Stainless Steel) PCSM, PCS

                                                                                        Clamp Lever Inch Screw KRIN, Millimeter Right Screw KRL

                                                                                        Position Adjustable Clamping Lever Screw Included, Thrust Bearing Included, Made Of Stainless Steel

                                                                                        CAD
                                                                                        • 3D
                                                                                        • 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D
                                                                                        • 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D / 3D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 2D
                                                                                        • 3D
                                                                                        Starting from

                                                                                        21.51 €

                                                                                        *Unit price with basic configuration

                                                                                        8.35 €

                                                                                        *Unit price with basic configuration

                                                                                        -

                                                                                        Volume Discount

                                                                                        7.81 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        10.10 €

                                                                                        *Unit price with basic configuration

                                                                                        8.43 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        25.82 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.39 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        22.00 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.30 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.73 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        -

                                                                                        Volume Discount

                                                                                        8.68 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        23.67 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        41.23 €

                                                                                        *Unit price with basic configuration

                                                                                        11.86 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.57 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        30.64 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        13.15 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.96 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        10.44 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.07 €

                                                                                        *Unit price with basic configuration

                                                                                        9.06 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        -

                                                                                        15.42 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.57 €

                                                                                        *Unit price with basic configuration

                                                                                        8.23 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.70 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        22.41 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        10.63 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        15.56 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        9.18 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        14.57 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.50 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        13.03 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        9.07 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.32 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        8.87 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        12.00 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        30.02 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        7.96 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        13.35 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        15.35 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        26.77 €

                                                                                        *Unit price with basic configuration

                                                                                        Volume Discount

                                                                                        37.17 €

                                                                                        *Unit price with basic configuration

                                                                                        Min. Shipping Days Same day Same day Same day Same day Same day Same day Same day 6 Days Same day Same day Same day Same day Same day Same day 2 Days Same day Same day Same day Same day 6 Days 6 Days Same day 5 Days 7 Days Same day Same day Same day Same day 6 Days 6 Days 6 Days 6 Days 6 Days Same day 7 Days Same day Same day Same day Same day 6 Days Same day 7 Days Same day Same day Same day
                                                                                        Specifications
                                                                                            • Order quantities extended (D-JIT)
                                                                                            • Stock
                                                                                            • Order quantities extended (D-JIT)
                                                                                            • Stock
                                                                                              • Stock
                                                                                              • Order quantities extended (D-JIT)
                                                                                                  • Stock
                                                                                                  • Stock
                                                                                                  • Order quantities extended (D-JIT)
                                                                                                  • Stock
                                                                                                  • Order quantities extended (D-JIT)
                                                                                                  • Stock
                                                                                                        • Order quantities extended (D-JIT)
                                                                                                                                                                ApplicationRelated ComponentsRelated ComponentsClampClampRelated ComponentsClampClampClampClampClampClamp / OperationClampClampClampRelated ComponentsClampClampClampClampClampClampRelated ComponentsClampClampClampRelated ComponentsClampClampClampOperationClampClampClampClampClampClampClampClampClampClampClampClampClampClampRelated Components
                                                                                                                                                                Type ClampClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismCam MechanismClamp MechanismRatchet mechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismCam MechanismClamp MechanismClamp MechanismClamp MechanismCam MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp Mechanism-Clamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp MechanismClamp Mechanism
                                                                                                                                                                Type operation----------N/A------------------N/A---------------
                                                                                                                                                                Operation DirectionHorizontal-HorizontalHorizontal-HorizontalVerticalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalVertical-HorizontalHorizontalVerticalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontalHorizontal
                                                                                                                                                                ShapeShape with KnobShape with KnobL-ShapedL-ShapedShape with KnobL-ShapedL-ShapedL-ShapedL-ShapedT-ShapedL-ShapedL-ShapedL-ShapedL-ShapedShape with KnobL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedShape with KnobY ShapedL-ShapedL-ShapedShape with KnobL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedL-ShapedShape with Knob
                                                                                                                                                                L-Shaped Clamp Lever Shape-----Push Button TypeNo Set ScrewSet Screw TypeSet Screw Type-Set Screw Type--No Set Screw-Set Screw Type-No Set ScrewSet Screw TypeSet Screw TypeSet Screw TypeSet Screw Type--Set Screw Type-Set Screw TypeSet Screw TypeSet Screw Type-Set Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeSet Screw TypeNo Set ScrewSet Screw TypeSet Screw TypeSet Screw Type-
                                                                                                                                                                Lever Shape with Knob---------------------Single lever-----------------------
                                                                                                                                                                Mounting Section TypeMale threadMale threadMale thread / Female ThreadMale thread / Female ThreadMale threadMale thread / Female ThreadMale threadMale thread / Female ThreadMale threadMale thread / Female ThreadMale thread / Female Thread / Round HoleMale thread / Female ThreadMale threadMale thread / Female ThreadRound HoleMale thread / Female ThreadMale threadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale threadMale threadMale threadMale thread / Female ThreadFemale ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadRound Hole / Square HoleMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadMale thread / Female ThreadRound Hole / Square HoleMale thread / Female ThreadMale thread / Female ThreadMale threadMale thread
                                                                                                                                                                Rotating Radius R(mm)62 ~ 10863 ~ 8245 ~ 9330 ~ 4263 ~ 8245 ~ 638040 ~ 11055 ~ 682545 ~ 10845 ~ 934563 ~ 82114 ~ 1573045 ~ 9363 ~ 8245 ~ 1083040 ~ 11030 ~ 1084545 ~ 78.540 ~ 11030 ~ 10845 ~ 783040 ~ 8040 ~ 11040 ~ 95303045 ~ 11545 ~ 11545 ~ 8545 ~ 8545 ~ 8545 ~ 8540 ~ 11040 ~ 11030 ~ 11030 ~ 11040 ~ 8062 ~ 108
                                                                                                                                                                Main Body MaterialZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc AlloyZinc Alloy
                                                                                                                                                                Main Body Surface TreatmentOther-Baked Paint FinishBaked Paint Finish / Chrome Plating-Electrostatic PaintElectrostatic PaintPaintElectrostatic PaintElectrostatic PaintPowder CoatingChrome Plating / Nickel PlatingElectrostatic PaintElectrostatic Paint-Powder CoatingBaked Paint FinishElectrostatic PaintChrome Plating / Powder CoatingPaintPaintOtherBaked Paint Finish-Electrostatic Paint-Powder CoatingPowder CoatingChrome PlatingPaintPaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintElectrostatic PaintOther
                                                                                                                                                                Mounting Section MaterialSteel-Stainless Steel / SteelStainless Steel / Steel-Stainless Steel / SteelSteelSteelSteelStainless Steel / SteelSteelStainless SteelStainless Steel / Steel-Stainless SteelStainless SteelSteel-Stainless SteelSteelStainless Steel / SteelSteelStainless Steel / SteelStainless Steel / SteelSteelStainless SteelStainless Steel / SteelSteelStainless SteelZinc AlloySteelSteelStainless SteelSteelStainless SteelSteelSteelSteelStainless SteelStainless SteelZinc AlloySteelStainless SteelSteelStainless Steel
                                                                                                                                                                Mounting Section Surface TreatmentBlack Oxide-N/A / Electroless Nickel Plating / Black ChromateN/A / Black Oxide-N/A / Black OxideElectroless Nickel PlatingBlack OxideBlack OxideN/A / Black OxideBlack OxideN/AN/A / Black Oxide--N/ABlack Chromate-N/ABlack OxideN/A / Black OxideBlack OxideN/A / Black OxideN/A / Black ChromateBlack Oxide-N/A / Black OxideBlack OxideN/AN/ABlack OxideBlack OxideN/ABlack OxideN/ABlack OxideBlack OxideBlack OxideN/AN/APaintBlack OxideN/ABlack Oxide-
                                                                                                                                                                Knob Material---------------------------------------------
                                                                                                                                                                Surface Treatment of knob---------------------------------------------
                                                                                                                                                                Adjustment screw for gap------AvailableN/A--N/A--N/A-N/A-AvailableN/AN/A----N/A-N/AN/A---N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A-
                                                                                                                                                                Mounting Section Diameter d(mm) and/or Diameter6 ~ 126 ~ 84 ~ 124 ~ 86 ~ 84 ~ 85 ~ 8M5 ~ M165 ~ 104 ~ 63 ~ 164 ~ 124 ~ 66 ~ 88 ~ 123 ~ 66 ~ 126 ~ 83 ~ 16M3 ~ M5M4 ~ M164 ~ 164 ~ 65 ~ 104 ~ 163 ~ 163 ~ 123 ~ 6M5 ~ M105 ~ 12M6 ~ M124 ~ 64 ~ 64 ~ 164 ~ 164 ~ 104 ~ 104 ~ 104 ~ 104 ~ 165 ~ 164 ~ 164 ~ 166 ~ 106 ~ 12
                                                                                                                                                                Mounting Section Length L(mm)20 ~ 8513 ~ 157 ~ 637 ~ 3220 ~ 607 ~ 4030 ~ 6010 ~ 9016 ~ 507 ~ 326 ~ 807 ~ 5012 ~ 3210 ~ 60-6 ~ 5012 ~ 5010 ~ 606 ~ 8010 ~ 5010 ~ 6012 ~ 8012 ~ 3212 ~ 409 ~ 80-6 ~ 806 ~ 5010 ~ 40-10 ~ 509 ~ 509 ~ 509 ~ 809 ~ 809 ~ 809 ~ 809 ~ 809 ~ 809 ~ 8013 ~ 269 ~ 809 ~ 8010 ~ 5020 ~ 85
                                                                                                                                                                Mounting Section Diameter C(mm)---------------------------------------------
                                                                                                                                                                Mounting Section Thickness h(mm)---------------------------------------------

                                                                                                                                                                Loading...

                                                                                                                                                                Categories related to Clamping Levers